Betfairutil

Added

* Functions for working with RaceResult objects:
* get_bsp_from_race_result
* get_winners_from_race_result
* Functions for extracting BSP from different sources:
* get_bsp_from_market_definition
* get_bsp_from_prices_file
* Functions for working with marketTime:
* get_market_time_as_datetime
* get_seconds_to_market_time
* Functions for working with race files:
* create_combined_market_book_and_race_change_generator
* get_win_market_id_from_race_file
* Functions for extracting information from the order book:
* calculate_order_book_imbalance
* get_price_size_by_depth
* get_second_best_price_size
* get_second_best_price
* Functions for extracting market books and race changes at times of interest:
* get_market_books_from_prices_file
* get_minimum_book_percentage_market_books_from_prices_file
* get_race_change_from_race_file
* Other Functions:
* get_publish_time_from_object
* get_winners_from_market_definition

Changed

* Improved patching of open
* Arguments to prices_file_to_data_frame have changed to permit adding any desired marketDefinition field to the data frame

Added

* get_event_id_from_string function
* get_pre_event_volume_traded_from_prices_file
* get_win_market_id_from_race_card function

Changed

* pandas is now an optional dependency
* Added should_restrict_to_inplay argument to prices_file_to_data_frame
* Made get_runner_book_from_market_book more defensive
* Added LAST_PRICE_TRADED data frame format
* Optionally output runner statuses when converting market books to data frames
* Various README improvements:
* More hype!
* Badges
* Examples

Added

* get_best_price_with_rollup function
* get_final_market_definition_from_prices_file function

Added

* Unit tests [14](https://github.com/mberk/betfairutil/issues/14)
* Various price related functions:
* get_spread
* calculate_price_difference
* get_inside_best_price
* get_outside_best_price
* get_best_price
* increment_price
* decrement_price
* is_price_the_same_or_better
* is_price_worse
* Various horse racing related functions:
* get_race_id_from_string
* get_win_market_id_from_race_card
* read_race_file

Changed

* Updated typing of all prices files related functions to accept Path objects

Fixed

* Various fixes when using MarketBook objects instead of dictionaries

Added

* Use market catalogues to inject runner names into self recorded data [13](https://github.com/mberk/betfairutil/issues/13)

Fixed

* Handle event-level historic prices files [11](https://github.com/mberk/betfairutil/issues/11)

Changed

* Pass kwargs to StreamListener [142f4f6](https://github.com/mberk/betfairutil/commit/142f4f65c62253fd44b3ce6a849d19fb0e43d804)